Official filing · original source linked

Illumina, Inc. Worldwide Headquarters WARN notice — CA, 2023-07-13

Name: Illumina, Inc. Worldwide Headquarters WARN notice
Creator: California Employment Development Department

Illumina, Inc. Worldwide Headquarters reported 75 workers affected in San Diego. Notice date: Jul 13, 2023; planned effective date: Aug 14, 2023.

Raw employer name: Illumina, Inc. Worldwide Headquarters
Canonical company: Illumina, Inc. Worldwide Headquarters →
Workers affected: 75
Event type: layoff
Filing status: filed
Notice / received date: Jul 13, 2023
Effective date: Aug 14, 2023
City: Unavailable
County: San Diego →
State: California →
ZIP: 92122
Reported location: San Diego
Published address: 5200 Illumina Way San Diego CA 92122
Source classification: Layoff Permanent
Source agency: California Employment Development Department

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Original source & provenance

Open supplied source ↗

Agency source
California Employment Development Department

Source ID / record ID
ca-edd / illumina-inc-worldwide-headquarters|5200-illumina-way-san-diego-ca-92122|2023-07-13

First ingested
Oct 6, 2026 · 16:18 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
12a7366972c7deba18bd8eefc56c3e763b2926014fb679417bde774671309ef1

View original source row

{
  "cells": {
    "notice_date": "07/13/2023",
    "received_date": "08/15/2023",
    "effective_date": "08/14/2023",
    "company": "Illumina, Inc. Worldwide Headquarters",
    "reported_location": "San Diego County",
    "workers": "75",
    "type": "Layoff Permanent",
    "address": "5200 Illumina Way San Diego CA 92122"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2023-to-06-30-2024.pdf",
  "page": 5
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
Illumina, Inc. Worldwide HeadquartersSan Diego, CA	4	Mar 16, 2026	Jan 14, 2026	layoffSource ↗
Illumina, Inc Worldwide HeadquartersSan Diego, CA	1	Mar 9, 2026	Jan 14, 2026	layoffSource ↗
Illumina, Inc. Worldwide HeadquartersSan Diego, CA	8	Nov 11, 2025	Nov 13, 2025	layoffSource ↗
Illumina, Inc. Worldwide HeadquartersSan Diego, CA	4	Jan 5, 2026	Nov 5, 2025	layoffSource ↗
Illumina, Inc. Worldwide HeadquartersSan Diego, CA	172	Jun 16, 2025	Apr 17, 2025	layoffSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.

Illumina, Inc. Worldwide Headquarters WARN notice — CA, 2023-07-13

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